Year	National currency per current international dollar
1980	0.521
1981	0.535
1982	0.544
1983	0.553
1984	0.561
1985	0.572
1986	0.586
1987	0.603
1988	0.617
1989	0.64
1990	0.666
1991	0.687
1992	0.692
1993	0.694
1994	0.688
1995	0.691
1996	0.706
1997	0.699
1998	0.699
1999	0.694
2000	0.693
2001	0.684
2002	0.688
2003	0.692
2004	0.69
2005	0.686
2006	0.686
2007	0.685
2008	0.691
2009	0.697
2010	0.699
2011	0.698
2012	0.696
2013	0.696
2014	0.695
2015	0.691
2016	0.697
2017	0.7
2018	0.697
2019	0.698
2020	0.697
2021	0.696
2022	0.695
2023	0.695
2024	0.694